Four Pack NC Wired Door Alarm Magnetic Contact Sensor With Double Sided Tape For Easy Install Normally Closed Security Sensor For Doors And Windows Works With 22-28 AWG Wires Over Half Inch Activation Distance

Four-Pack NC Wired Door Sensor with Tape for Easy Install
✔️ Double-sided tape, NC contact, activation >1/2 in, 22-28 AWG

This four-pack of wired door alarm sensors uses a normally closed (NC) magnetic contact to monitor doors and windows. Each white housing includes adhesive double-sided tape for quick, tool-free installation. They operate with 22-28 AWG wires and offer activation distance over 1/2 inch (12.7 mm), making them ideal for most home or small office security setups.

✅ Four sensors in white housing with double-sided tape for quick install
✅ Normally Closed (NC) contact compatible with 22-28 AWG wiring
✅ Activation distance over 1/2 inch (12.7 mm) for most doors/windows
✅ Simple retrofit for existing alarm systems, no heavy wiring
✅ Pack of four; clean, unobtrusive white casing fits most frames

💡 What is a door contact sensor used for in basic security setups? Handy monitoring of entry points helps trigger alerts and log events.

- Handy for basic entry point monitoring in homes and small offices - Easy retrofit with 22-28 AWG wire and double-sided tape - Provides clear normally closed status for simple fault detection - Great option for adding window and door monitoring without expensive systems